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Title: Specimen of steel produced by the Basic or Thomas-Gilchrist [Go to resource]
Description: Specimen of steel produced by the Basic or Thomas-Gilchrist process, 1877, 1.5" x 1" flat bar folded double License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: specimens
samplesTemporal: 1877 Source: Science Museum Identifier: 1887-216 Go to resource More Like this...
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